./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9cccea737f311e9e2585bb4c0fd7fa7e4382857df72468b846279ab5798480b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:37,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:37,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:37,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:37,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:37,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:37,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:37,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:37,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:37,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:37,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:37,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:37,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:37,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:37,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:37,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:37,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:37,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:37,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:37,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:37,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:37,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:37,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:37,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:37,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:37,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:37,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:37,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:37,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:37,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:37,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:37,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:37,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:37,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:37,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:37,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:37,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:37,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:37,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:37,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:37,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:37,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:37,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:37,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:37,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:37,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:37,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:37,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:37,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:37,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:37,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:37,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:37,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:37,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:37,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:37,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:37,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:37,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:37,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:37,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:37,852 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:37,852 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:37,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:37,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:37,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:37,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:37,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:37,854 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:37,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:37,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:37,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9cccea737f311e9e2585bb4c0fd7fa7e4382857df72468b846279ab5798480b [2021-11-23 15:53:38,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:38,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:38,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:38,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:38,202 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:38,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2021-11-23 15:53:38,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data/3ef8874b4/51cec23bd39e48a18cc6e920579625b6/FLAG83b241d68 [2021-11-23 15:53:38,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:38,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2021-11-23 15:53:38,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data/3ef8874b4/51cec23bd39e48a18cc6e920579625b6/FLAG83b241d68 [2021-11-23 15:53:39,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data/3ef8874b4/51cec23bd39e48a18cc6e920579625b6 [2021-11-23 15:53:39,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:39,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:39,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:39,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:39,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:39,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac9a2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39, skipping insertion in model container [2021-11-23 15:53:39,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:39,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:39,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c[952,965] [2021-11-23 15:53:39,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:39,538 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:39,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c[952,965] [2021-11-23 15:53:39,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:39,582 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:39,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39 WrapperNode [2021-11-23 15:53:39,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:39,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:39,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:39,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:39,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,623 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:53:39,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:39,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:39,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:39,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:39,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:39,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:39,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:39,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:39,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:39,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:39,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:39,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:53:39,751 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:53:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:53:39,751 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:53:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:39,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:39,817 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:39,819 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:39,938 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:39,951 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:39,951 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:53:39,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:39 BoogieIcfgContainer [2021-11-23 15:53:39,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:39,955 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:39,955 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:39,975 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:39,975 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:53:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-11-23 15:53:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-23 15:53:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:53:40,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:40,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:40,144 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:53:40,148 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:40,154 INFO L158 Benchmark]: Toolchain (without parser) took 944.63ms. Allocated memory is still 111.1MB. Free memory was 72.9MB in the beginning and 68.3MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:40,155 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:40,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.61ms. Allocated memory is still 111.1MB. Free memory was 72.7MB in the beginning and 87.1MB in the end (delta: -14.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:40,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.05ms. Allocated memory is still 111.1MB. Free memory was 87.1MB in the beginning and 85.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:40,161 INFO L158 Benchmark]: Boogie Preprocessor took 40.79ms. Allocated memory is still 111.1MB. Free memory was 85.9MB in the beginning and 84.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:40,163 INFO L158 Benchmark]: RCFGBuilder took 288.30ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 75.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:40,164 INFO L158 Benchmark]: CodeCheck took 196.54ms. Allocated memory is still 111.1MB. Free memory was 75.1MB in the beginning and 68.3MB in the end (delta: 6.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:40,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.61ms. Allocated memory is still 111.1MB. Free memory was 72.7MB in the beginning and 87.1MB in the end (delta: -14.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.05ms. Allocated memory is still 111.1MB. Free memory was 87.1MB in the beginning and 85.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.79ms. Allocated memory is still 111.1MB. Free memory was 85.9MB in the beginning and 84.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.30ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 75.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 196.54ms. Allocated memory is still 111.1MB. Free memory was 75.1MB in the beginning and 68.3MB in the end (delta: 6.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:40,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9cccea737f311e9e2585bb4c0fd7fa7e4382857df72468b846279ab5798480b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:42,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:42,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:43,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:43,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:43,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:43,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:43,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:43,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:43,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:43,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:43,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:43,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:43,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:43,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:43,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:43,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:43,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:43,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:43,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:43,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:43,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:43,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:43,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:43,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:43,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:43,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:43,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:43,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:43,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:43,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:43,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:43,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:43,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:43,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:43,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:43,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:43,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:43,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:43,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:43,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:43,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:43,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:43,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:43,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:43,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:43,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:43,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:43,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:43,132 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:43,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:43,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:43,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:43,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:43,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:43,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:43,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:43,134 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:43,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:43,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:43,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:43,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:43,136 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:43,136 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:43,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:43,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:43,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:43,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:43,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:43,137 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:43,138 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:43,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:43,138 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:43,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:43,139 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9cccea737f311e9e2585bb4c0fd7fa7e4382857df72468b846279ab5798480b [2021-11-23 15:53:43,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:43,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:43,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:43,601 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:43,601 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:43,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2021-11-23 15:53:43,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data/8a4f0f610/2d87ebeffaa247e4b275c60fab4bd935/FLAGf46190d92 [2021-11-23 15:53:44,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:44,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2021-11-23 15:53:44,305 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data/8a4f0f610/2d87ebeffaa247e4b275c60fab4bd935/FLAGf46190d92 [2021-11-23 15:53:44,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/data/8a4f0f610/2d87ebeffaa247e4b275c60fab4bd935 [2021-11-23 15:53:44,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:44,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:44,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:44,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:44,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:44,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df00c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44, skipping insertion in model container [2021-11-23 15:53:44,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:44,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:44,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c[952,965] [2021-11-23 15:53:44,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:44,899 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:44,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c[952,965] [2021-11-23 15:53:44,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:44,932 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:44,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44 WrapperNode [2021-11-23 15:53:44,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:44,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:44,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:44,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:44,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,975 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:53:44,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:44,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:44,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:44,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:44,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:45,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:45,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:45,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:45,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:45,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:45,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:45,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:45,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:45,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:45,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:45,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:45,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:53:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:53:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:53:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:53:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:45,218 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:45,220 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:45,344 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:45,360 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:45,361 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:53:45,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:45 BoogieIcfgContainer [2021-11-23 15:53:45,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:45,365 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:45,365 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:45,377 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:45,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:45" (1/1) ... [2021-11-23 15:53:45,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:53:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 15:53:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 15:53:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:53:45,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:45,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:45,602 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:45,612 INFO L158 Benchmark]: Toolchain (without parser) took 909.11ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 27.7MB in the end (delta: 10.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,613 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:45,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.28ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 28.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.39ms. Allocated memory is still 60.8MB. Free memory was 28.5MB in the beginning and 44.3MB in the end (delta: -15.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,621 INFO L158 Benchmark]: Boogie Preprocessor took 60.69ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 43.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,622 INFO L158 Benchmark]: RCFGBuilder took 326.14ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 34.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,624 INFO L158 Benchmark]: CodeCheck took 242.96ms. Allocated memory is still 60.8MB. Free memory was 34.0MB in the beginning and 27.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.28ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 28.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.39ms. Allocated memory is still 60.8MB. Free memory was 28.5MB in the beginning and 44.3MB in the end (delta: -15.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.69ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 43.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.14ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 34.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 242.96ms. Allocated memory is still 60.8MB. Free memory was 34.0MB in the beginning and 27.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:45,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d22ec5b-9231-4faf-abb3-0848d18f95d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared